Question: Let r(t) = (t, 1-t, 4t). Calculate the derivative of r(t) a(t) at t = 2, assuming that a(2) = <3,-3,7> And a'(2) =

Let r(t) = (t, 1-t, 4t). Calculate the derivative of r(t) a(t) 

Let r(t) = (t, 1-t, 4t). Calculate the derivative of r(t) a(t) at t = 2, assuming that a(2) = And a'(2) = d r(t).a(t)|t=2 = .

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